I am level 13, at steam somebody writes he was level 11.
I've got an email at 12.3.21 (March 12th) from Polly Harmon "Fortfight for Frank", he books the location for the band. Made it 5 stars.
The more important email arrived at 15.3.21 (March 15th) from Polly Harmon "We'll play the music, You Light the lights!!!!" - you only get the pc case and have to build complete pc.
Just buy some parts with RGB, install water cooling, set colors. Achievement triggered with only 3 stars, i forgot to change the wallpaper. ^^